INCRDECR

#include <bits/stdc++.h>
using namespace std;
#define int long long


void solve() {
    int i, j, n, k;
    cin >> n;
    int a[n];
    int prev;
    cin >> prev;
    a[0] = prev;
    int rep = 1;
    bool nope = false;
    for (i = 1; i < n; ++i) {
        cin >> a[i];
        if (a[i] == prev) {
            rep++;
        } else {
            prev = a[i];
            rep = 1;
        }
        if (rep > 2) {
            nope = true;
        }
    }
    if (nope || rep > 1) {
        cout << "NO\n";
        return;
    }
    sort(a, a + n);
    cout << "YES\n";

    // this part is probably the one that is failing
    for (i = 0; i < n; i += 2) cout << a[i] << " ";
    for (i = n - 1 - (n & 1); i >= 0; i -= 2) cout << a[i] << " ";
    cout << endl;
}

int32_t main() {
#ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin);
    freopen("output.txt", "w", stdout);
#endif
    ios::sync_with_stdio(0);
    cout.tie(0);
    cin.tie(0);
    int _t = 1;
    cin >> _t;
    while (_t--)
        solve();
}